›› 2005, Vol. 26 ›› Issue (5): 687-692.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Effects of an underground lined tunnel on ground motion (II): numerical results

LIANG Jian-wen1, JI Xiao-dong1, Vincent W Lee2   

  1. 1. Tianjin University, Tianjin 300072, China; 2. University of Southern California, CA 90089, USA
  • Received:2004-02-09 Online:2005-05-10 Published:2013-12-17

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Abstract: The series solution for the scattering of plane P and SV waves by an underground circular lined tunnel is used to quantitatively analyze the effects of incident wavelength, incident angle, diameter of tunnel, and liner stiffness on ground surface displacement amplification. The numerical results show that, the effects is not large for incident low-frequency waves; the surface displacement amplitude with a tunnel can be 4.5 times of that for the case of without the tunnel; the surface displacement amplitude with a lined tunnel can be 87.8% more than that without the liner. It is suggested that the effects of a tunnel on ground motion should be considered when the tunnel is planned and designed.

Key words: underground lined tunnels, ground motion, P waves, SV waves, amplification

CLC Number: 

  • O 347.4
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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